Chicago (Japanese: シカゴ, Hepburn: Shikago) is a Japanese near-future action manga series written and illustrated by Yumi Tamura. It was serialized in Shogakukan's Bessatsu Shōjo Comic magazine from the November 2000 issue (released in October) to the May 2001 issue (released in April). Shogakukan collected the individual chapters into two bound volumes published under the Flower Comics imprint. Viz Media licensed the manga for an English-language release in North America, first serialized in Animerica Extra magazine and later published in graphic novel format. Source: Wikipedia (en)